Path: utzoo!attcan!uunet!zephyr.ens.tek.com!uw-beaver!mit-eddie!apollo!vasta
From: vasta@apollo.HP.COM (John Vasta)
Newsgroups: comp.sys.apollo
Subject: Re: one cpp and one f77 question
Keywords: cpp
Message-ID: <48822d9c.20b6d@apollo.HP.COM>
Date: 7 Feb 90 22:10:00 GMT
References: <4877da3b.bb89@spam.engin.umich.edu> <4880b96f.20b6d@apollo.HP.COM>
Sender: root@apollo.HP.COM
Reply-To: vasta@apollo.HP.COM (John Vasta)
Organization: Hewlett-Packard Company, Apollo Division; Chelmsford, MA
Lines: 27

In article <4880b96f.20b6d@apollo.HP.COM> oj@apollo.hp.com writes:
>In article <4877da3b.bb89@spam.engin.umich.edu> oliveria@caen.engin.umich.edu (ROQUE DONIZETE DE OLIVEIRA) writes:
>> is there any define I can use with cpp that uniquely define the dn10k ?
>> I know about ISP but it is not in cpp.
>
>If you invoke the preprocessor by saying 
>   /bin/cc -E
>instead of 
>   /lib/cpp
>then you can use these #ifdefs for prism and m68k respectively.
>#ifdef _ISP__A88K
>#ifdef _ISP__M68K
>
>(note the two consecutive underscores...)

Small correction: both symbols are always defined, but expand to either
0 or 1 for the appropriate machine. Therefore, you would use

#if _ISP__A88K
/* compiling for a DN10000 */

#if _ISP__M68K
/* compiling for a 68K box */
John Vasta                Hewlett-Packard Apollo Systems Division
vasta@apollo.hp.com       M.S. CHA-01-LT
(508) 256-6600 x6362      300 Apollo Drive, Chelmsford, MA 01824
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